{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T10:43:20Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:27:17+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q41207",
    "registryId": "vr.tr.coin",
    "name": "coin",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q41207/",
  "model": {
    "registry_id": "vr.tr.coin",
    "name": "coin",
    "purpose": "Let an agent handle coins by issuer, denomination, series, metal, legal tender status, authenticity and collecting, without investment advice.",
    "definition": "A small, flat, usually round piece of metal issued by a government or authority as money, with a face value, design and inscriptions; also produced as commemorative and bullion pieces and collected in numismatics.",
    "what_it_is_for": "Cash payment, store of value and collecting.",
    "affordances": [
      "identify coins by issuer and year",
      "check legal tender status",
      "detect likely counterfeits",
      "value coins using catalogues"
    ],
    "distinguishing_features": [
      "Issued by an authority",
      "Face value",
      "Minted metal",
      "Collectible"
    ],
    "appearance": "Metal discs with portraits, emblems, inscriptions and edges that may be milled or lettered.",
    "visual_identification": [
      "Denomination, year and mint mark",
      "Obverse and reverse designs",
      "Tokens and medals are not currency"
    ],
    "physical_properties": [
      {
        "quantity": "Diameter",
        "unit": "millimetres",
        "typical_range": "",
        "note": "Measure across a circular coin with calipers, or record maximum width for a noncircular coin."
      },
      {
        "quantity": "Thickness",
        "unit": "millimetres",
        "typical_range": "",
        "note": "Measure with a micrometer or calipers and specify whether the measurement includes the raised rim."
      },
      {
        "quantity": "Mass",
        "unit": "grams",
        "typical_range": "",
        "note": "Measure with a calibrated balance and compare against the specification for the denomination and issue."
      },
      {
        "quantity": "Elemental mass fraction",
        "unit": "percent by mass",
        "typical_range": "",
        "note": "Determine composition through validated material analysis while accounting for plating or multiple metal components."
      }
    ],
    "families_and_kinds": [
      "circulating coins",
      "commemorative coins",
      "bullion coins",
      "historical and ancient coins",
      "error coins"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "cash and collectable",
        "why": "category"
      },
      {
        "relation": "is issued by",
        "target": "mint and central bank",
        "why": "issuer"
      },
      {
        "relation": "is studied in",
        "target": "numismatics",
        "why": "field"
      },
      {
        "relation": "is contrasted with",
        "target": "banknote",
        "why": "other cash"
      }
    ],
    "identifiers": [
      {
        "scheme": "KM number",
        "value_or_pattern": "Krause catalogue",
        "note": "coin types"
      }
    ],
    "standards_and_regulation": [
      "Coinage and legal tender laws",
      "Counterfeiting laws",
      "Export rules for antiquities"
    ],
    "failure_modes_and_hazards": [
      "Counterfeit coins",
      "Illegally excavated ancient coins",
      "Agents giving investment advice"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Identify coins and report their issuer, date and face value from catalogues.",
        "Count, sort and check coins for an operator that authorized it."
      ],
      "must_not": [
        "Make, sell or pass counterfeit coins.",
        "Deface or melt legal tender where the law forbids it.",
        "Help trade ancient coins taken from archaeological sites illegally.",
        "Give personal investment advice on bullion or collectible coins."
      ],
      "requires_human": [
        "Valuing a collection for sale, insurance or inheritance."
      ]
    },
    "ethics": {
      "considerations": [
        "Counterfeits undermine trust in money and cheat the people who receive them.",
        "Looting for coins destroys archaeological heritage."
      ],
      "affected_parties": [
        "Holders of the coins",
        "Collectors",
        "Heritage and source communities"
      ]
    },
    "owners": {
      "steward": "The holder owns each coin; the issuing authority and mint answer for the currency.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q41207: coin",
      "url": "https://www.wikidata.org/wiki/Q41207",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Coin",
      "url": "https://en.wikipedia.org/wiki/Coin",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity",
        "name": "Identity",
        "description": "Which coin.",
        "rationale": "Details identify.",
        "layers": [
          {
            "id": "issuer",
            "name": "Issuer",
            "description": "Country and year.",
            "findings": [
              {
                "id": "issuer-finding",
                "name": "Issuer",
                "description": "Issuer and year.",
                "questions": [
                  {
                    "text": "Which issuer, denomination and year is it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What is its catalogue number?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "status",
            "name": "Status",
            "description": "Legal tender.",
            "findings": [
              {
                "id": "status-finding",
                "name": "Status",
                "description": "Legal tender status.",
                "questions": [
                  {
                    "text": "Is it still legal tender?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Can withdrawn coins be exchanged?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "authenticity",
        "name": "Authenticity",
        "description": "Genuine or not.",
        "rationale": "Fakes exist.",
        "layers": [
          {
            "id": "checks",
            "name": "Checks",
            "description": "Weight and details.",
            "findings": [
              {
                "id": "checks-finding",
                "name": "Checks",
                "description": "Authenticity checks.",
                "questions": [
                  {
                    "text": "Do weight, diameter and details match official specifications?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Should an expert or grading service check it?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "report",
            "name": "Report",
            "description": "Counterfeits.",
            "findings": [
              {
                "id": "report-finding",
                "name": "Report",
                "description": "Suspected counterfeits.",
                "questions": [
                  {
                    "text": "What should someone do with a suspected counterfeit coin?",
                    "kind": "action"
                  },
                  {
                    "text": "Which authority should be told?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "collecting",
        "name": "Collecting",
        "description": "Numismatics.",
        "rationale": "Collectors need sources.",
        "layers": [
          {
            "id": "value",
            "name": "Value",
            "description": "Catalogues.",
            "findings": [
              {
                "id": "value-finding",
                "name": "Value",
                "description": "Catalogue value.",
                "questions": [
                  {
                    "text": "What is its catalogue value in this grade?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is the user asking for investment advice?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "care",
            "name": "Care",
            "description": "Handling.",
            "findings": [
              {
                "id": "care-finding",
                "name": "Care",
                "description": "Coin care.",
                "questions": [
                  {
                    "text": "How should coins be handled and stored?",
                    "kind": "action"
                  },
                  {
                    "text": "Why should they not be cleaned?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "heritage",
        "name": "Heritage",
        "description": "Ancient coins.",
        "rationale": "Law protects heritage.",
        "layers": [
          {
            "id": "finds",
            "name": "Finds",
            "description": "Reporting.",
            "findings": [
              {
                "id": "finds-finding",
                "name": "Finds",
                "description": "Coin finds.",
                "questions": [
                  {
                    "text": "Must a found hoard or ancient coin be reported here?",
                    "kind": "provenance"
                  },
                  {
                    "text": "To which authority?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "trade",
            "name": "Trade",
            "description": "Provenance.",
            "findings": [
              {
                "id": "trade-finding",
                "name": "Trade",
                "description": "Trade provenance.",
                "questions": [
                  {
                    "text": "Does this ancient coin have documented legal provenance?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which export rules apply?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should coin series be separate entries?",
    "How should catalogue numbers be linked?",
    "How should ancient coins be handled legally?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
